Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir

Despite the rapid development of efficient and safe vaccines against COVID-19, the need to confine the pandemic and treat infected individuals on an outpatient basis has led to the approval of oral antiviral agents. Taking into account the viral kinetic pattern of SARS-CoV-2, it is of high importanc...

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Main Authors: Karolina Akinosoglou, Georgios Schinas, Charalambos Gogos
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/14/11/2540
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author Karolina Akinosoglou
Georgios Schinas
Charalambos Gogos
author_facet Karolina Akinosoglou
Georgios Schinas
Charalambos Gogos
author_sort Karolina Akinosoglou
collection DOAJ
description Despite the rapid development of efficient and safe vaccines against COVID-19, the need to confine the pandemic and treat infected individuals on an outpatient basis has led to the approval of oral antiviral agents. Taking into account the viral kinetic pattern of SARS-CoV-2, it is of high importance to intervene at the early stages of the disease. A protease inhibitor called nirmatrelvir coupled with ritonavir (NMV/r), which acts as a CYP3A inhibitor, delivered as an oral formulation, has shown much promise in preventing disease progression in high-risk patients with no need for supplemental oxygen administration. Real-world data seem to confirm the drug combination’s efficacy and safety against all viral variants of concern in adult populations. Although, not fully clarified, viral rebound and recurrence of COVID-19 symptoms have been described following treatment; however, more data on potential resistance issues concerning the Mpro gene, which acts as the drug’s therapeutic target, are needed. NMV/r has been a gamechanger in the fight against the pandemic by preventing hospitalizations and halting disease severity; therefore, more research on future development and greater awareness on its use are warranted.
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spelling doaj.art-a6fd6cc0b78e4e5f8ebfe14fff5e51eb2023-11-24T10:18:52ZengMDPI AGViruses1999-49152022-11-011411254010.3390/v14112540Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/RitonavirKarolina Akinosoglou0Georgios Schinas1Charalambos Gogos2Department of Internal Medicine, Medical School, University of Patras, 26504 Rio, GreeceDepartment of Internal Medicine, Medical School, University of Patras, 26504 Rio, GreeceDepartment of Internal Medicine, Medical School, University of Patras, 26504 Rio, GreeceDespite the rapid development of efficient and safe vaccines against COVID-19, the need to confine the pandemic and treat infected individuals on an outpatient basis has led to the approval of oral antiviral agents. Taking into account the viral kinetic pattern of SARS-CoV-2, it is of high importance to intervene at the early stages of the disease. A protease inhibitor called nirmatrelvir coupled with ritonavir (NMV/r), which acts as a CYP3A inhibitor, delivered as an oral formulation, has shown much promise in preventing disease progression in high-risk patients with no need for supplemental oxygen administration. Real-world data seem to confirm the drug combination’s efficacy and safety against all viral variants of concern in adult populations. Although, not fully clarified, viral rebound and recurrence of COVID-19 symptoms have been described following treatment; however, more data on potential resistance issues concerning the Mpro gene, which acts as the drug’s therapeutic target, are needed. NMV/r has been a gamechanger in the fight against the pandemic by preventing hospitalizations and halting disease severity; therefore, more research on future development and greater awareness on its use are warranted.https://www.mdpi.com/1999-4915/14/11/2540COVID-19nirmatrelvir/ritonavirPaxlovidSARS-CoV-2nirmatrelvirritonavir
spellingShingle Karolina Akinosoglou
Georgios Schinas
Charalambos Gogos
Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir
Viruses
COVID-19
nirmatrelvir/ritonavir
Paxlovid
SARS-CoV-2
nirmatrelvir
ritonavir
title Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir
title_full Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir
title_fullStr Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir
title_full_unstemmed Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir
title_short Oral Antiviral Treatment for COVID-19: A Comprehensive Review on Nirmatrelvir/Ritonavir
title_sort oral antiviral treatment for covid 19 a comprehensive review on nirmatrelvir ritonavir
topic COVID-19
nirmatrelvir/ritonavir
Paxlovid
SARS-CoV-2
nirmatrelvir
ritonavir
url https://www.mdpi.com/1999-4915/14/11/2540
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AT charalambosgogos oralantiviraltreatmentforcovid19acomprehensivereviewonnirmatrelvirritonavir